Ungraded vs PSA 10 Mewtwo & Mew GX #SM191: price difference
Mewtwo & Mew GX #SM191 value — Ungraded $294 vs PSA 10 $1602. PSA 10 sells for 5.45× Ungraded (+445%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 5.45× (+445%) the Ungraded price — a $1,308 difference per card.
PSA 10 sells for 3.73× (+273%) the Grade 9 price — a $1,172 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Mewtwo & Mew GX #SM191, the jump from Ungraded to PSA 10 is worth $1,308 (5.45×) — if your copy grades at the top, that premium can cover the fee. A grade below the top one changes the math, so run your exact numbers first.
Run the grading break-even math →Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).